Quicksand Volcano Analogue Thermometer Rope mechanism - so a

Rope mechanism - so a little wrist dexterity

biology or stamps

Speed depends on strength of sunlight - can zip round really fast after a while

Sato) use a slightly-different sized chart

The cloudier/stormier the crystals in the glass

Quicksand Volcano Analogue Thermometer Rope mechanism - so aKit provides quicksand pit and dinosaur parts (which sink). You can find and reassemble the dinos later. ALSO an erupting volcano You'll need to provide some other bits too a mixing bowl and teaspoon, vinegar and baking soda, red colouring and water This will keep a young scientist busy over several days as there are several stages to it